MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many of which are part of a link farm designed to direct users to potentially malicious content. One of the primary links, 'https://ttraff.ru/pify?keyword=dhcr+fact+sheets', is identified as a malicious redirector. The document's structure and the nature of the embedded links suggest a phishing or scam attempt, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://ttraff.ru/pify?keyword=dhcr+fact+sheets
- http://files.astudiofenelonfalls.com/uploads/1/3/1/4/131414743/9140009.pdf
- http://files.saraticha.com/uploads/1/3/1/4/131453432/jimal_sejakak_gumisirozadoju.pdf
- http://files.zejmusic.com/uploads/1/3/1/0/131070934/31feb590b.pdf
- http://files.doceydandies.org/uploads/1/3/1/8/131856071/7437f17.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0440/8901/6472/files/kutagazimirijisoxeku.pdf
- https://cdn.shopify.com/s/files/1/0437/3617/0657/files/dikezejejofibuzobib.pdf
- https://cdn.shopify.com/s/files/1/0428/5644/8156/files/49409958961.pdf
- https://cdn.shopify.com/s/files/1/0433/9941/3921/files/1857098168.pdf
- https://cdn.shopify.com/s/files/1/0430/4705/9607/files/27195898515.pdf
- https://cdn.shopify.com/s/files/1/0440/7672/8485/files/xukelazimaralofujaw.pdf
- https://cdn.shopify.com/s/files/1/0427/5906/1670/files/55779599391.pdf
- https://cdn.shopify.com/s/files/1/0434/5636/4709/files/42204567530.pdf
- https://cdn.shopify.com/s/files/1/0433/9033/7189/files/32316605703.pdf
- https://cdn.shopify.com/s/files/1/0429/5252/3929/files/76651913707.pdf
- https://cdn.shopify.com/s/files/1/0436/6109/9161/files/96303115099.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000062a6.binf2ab0d444f797af1719dc8fac2d04580b4c304d589c49f018b3b8f6ca4485c9a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62A6 | 4936 bytes |
font_01_sfnt_off0000736c.binb8b0e02d193146e35e60813de33ba13240ffc4d3bba337e2bdf99283b92f8ecb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x736C | 9836 bytes |
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